Spefication: Size: ID:5/16"(8.1mm). OD: 9/16"(14.5mm). Length:25FT. Parameter: Maximum working pressure: 300 PSI. Burst pressure: 900 PSI. Temperature range: -20°F to 221°F (-30°C to 105°C). Material: The Marine fuel line is made of an NBR inner layer and an NBR+PVC outer layer, reinforced with a polyester fiber braid. Applicability: The Marine fuel hose is compatible with gasoline, diesel, E85, and more. It is widely used for supplying fuel to motors in boats or other marine applications. Feature: The boat fuel hose meets W/EPA and CARB very low permeation requirements and is resistant to weather and UV exposure. It meets type A1-15 requirements for pleasure boats. It also meets SAE J1527 type A1-15, ISO 7840 type A1, and NMMA/CE accepted standards.